/**
 * 通用js方法封装处理
 */

 const baseURL = process.env.VUE_APP_BASE_API

 // 日期格式化
 export function parseTime(time, pattern) {
   if (arguments.length === 0 || !time) {
     return null
   }
   const format = pattern || '{y}-{m}-{d} {h}:{i}:{s}'
   let date
   if (typeof time === 'object') {
     date = time
   } else {
     if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
       time = parseInt(time)
     }
     if ((typeof time === 'number') && (time.toString().length === 10)) {
       time = time * 1000
     }
     date = new Date(time)
   }
   const formatObj = {
     y: date.getFullYear(),
     m: date.getMonth() + 1,
     d: date.getDate(),
     h: date.getHours(),
     i: date.getMinutes(),
     s: date.getSeconds(),
     a: date.getDay()
   }
   const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
     let value = formatObj[key]
     // Note: getDay() returns 0 on Sunday
     if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
     if (result.length > 0 && value < 10) {
       value = '0' + value
     }
     return value || 0
   })
   return time_str
 }
 
 // 表单重置
 export function resetForm(refName) {
   if (this.$refs[refName]) {
     this.$refs[refName].resetFields()
   }
 }
 
 // 添加日期范围
 export function addDateRange(params, dateRange) {
   var search = params
   search.beginTime = ''
   search.endTime = ''
   if (dateRange != null && dateRange !== '') {
     search.beginTime = this.dateRange[0]
     search.endTime = this.dateRange[1]
   }
   return search
 }
 
 // 回显数据字典
 export function selectDictLabel(datas, value) {
   var actions = []
   Object.keys(datas).map((key) => {
     if (datas[key].dictValue === ('' + value)) {
       actions.push(datas[key].dictLabel)
       return false
     }
   })
   return actions.join('')
 }
 
 // 通用下载方法
 export function download(fileName) {
   window.location.href = baseURL + '/common/download?fileName=' + encodeURI(fileName) + '&delete=' + true
 }
 
 // 字符串格式化(%s )
 export function sprintf(str) {
   var args = arguments; var flag = true; var i = 1
   str = str.replace(/%s/g, function() {
     var arg = args[i++]
     if (typeof arg === 'undefined') {
       flag = false
       return ''
     }
     return arg
   })
   return flag ? str : ''
 }
 
 // 转换字符串，undefined,null等转化为""
 export function praseStrEmpty(str) {
   if (!str || str === 'undefined' || str === 'null') {
     return ''
   }
   return str
 }
 
 /**
  * 构造树型结构数据
  * @param {*} data 数据源
  * @param {*} id id字段 默认 'id'
  * @param {*} parentId 父节点字段 默认 'parentId'
  * @param {*} children 孩子节点字段 默认 'children'
  * @param {*} rootId 根Id 默认 0
  */
 export function handleTree(data, id, parentId, children, rootId) {
   id = id || 'id'
   parentId = parentId || 'parentId'
   children = children || 'children'
   rootId = rootId || 0
   // 对源数据深度克隆
   const cloneData = JSON.parse(JSON.stringify(data))
   // 循环所有项
   const treeData = cloneData.filter(father => {
     const branchArr = cloneData.filter(child => {
       // 返回每一项的子级数组
       return father[id] === child[parentId]
     })
     branchArr.length > 0 ? father.children = branchArr : ''
     // 返回第一层
     return father[parentId] === rootId
   })
   return treeData !== '' ? treeData : data
 }
 